135136377 has 16 divisors (see below), whose sum is σ = 200820160. Its totient is φ = 89812800.

The previous prime is 135136363. The next prime is 135136403. The reversal of 135136377 is 773631531.

It is a happy number.

135136377 is a `hidden beast` number, since 1 + 3 + 5 + 13 + 637 + 7 = 666.

It is not a de Polignac number, because 135136377 - 2⁷ = 135136249 is a prime.

It is a super-2 number, since 2×135136377² = 36523680777372258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135136277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377 + ... + 16497.

It is an arithmetic number, because the mean of its divisors is an integer number (12551260).

Almost surely, 2^135136377 is an apocalyptic number.

It is an amenable number.

135136377 is a deficient number, since it is larger than the sum of its proper divisors (65683783).

135136377 is a wasteful number, since it uses less digits than its factorization.

135136377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15461 (or 15455 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 135136377 is about 11624.8172888867. The cubic root of 135136377 is about 513.1654676379.

The spelling of 135136377 in words is "one hundred thirty-five million, one hundred thirty-six thousand, three hundred seventy-seven".